A-Level
CAIE
Physics
October 2025
QP-202510-Physics-P12 · Question 40
Question (excerpt):
© UCLES 2025 9702/12/O/N/25 40 A nucleus of U 238 92 decays in stages by emitting -particles and – particles, eventually forming a nucleus of Pb. 206 82 How many -particles and how many – particle…
© UCLES 2025 9702/12/O/N/25 40 A nucleus of U 238 92 decays in stages by emitting -particles and – particles, eventually forming a nucleus of Pb. 206 82 How many -particles and how many – particle…
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